[Bug 790538] Re: pam update causes cron to stop working with "Module is unknown" error

[Chris Siebenmann]

We have an Ubuntu 10.04 machine with the original update applied where
xdm had not been restarted and was thus rejecting login attempts.
I can confirm that applying the just-released PAM update made xdm
accept logins again. The update also did not break cron, which had been
restarted and so was using all of the updated PAM stuff.

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https://bugs.launchpad.net/bugs/790538

Title:
  pam update causes cron to stop working with "Module is unknown" error

Status in “pam” package in Ubuntu:
  Fix Released
Status in “pam” source package in Lucid:
  Fix Released
Status in “pam” source package in Maverick:
  Fix Released
Status in “pam” source package in Natty:
  Fix Released
Status in “pam” source package in Hardy:
  Fix Released

Bug description:
  Upgrading libpam-modules from 1.1.1-4ubuntu1 to 1.1.1-4ubuntu2.2, cron stopped working, just gives a log message "Module is unknown". This happened during unattended-upgrades this night, so there might be a lot of people who didn't realize that yet.
  Downgrading to 1.1.1-4ubuntu1 fixes this.
  Ubuntu 10.10 amd64, almost vanilla, fresh, minimum install + java (ppa) + postgresql9 (ppa).